Devices based on organic semiconductors enable novel flexible, lightweight, and environmentally friendly electronics. A first success are organic light-emitting diode (OLED) displays, which have already reached a double-digit billion US$ market.
I discuss challenges of materials and device research for successful products. In particular, I will discuss novel vertical transistors combined with OLED for very efficient devices for OLED display pixel driving.
Furthermore, I will discuss highly ordered organic layers allowing efficient light emitting devices, but also organic transistors with greatly improved properties. In particular, we realized of the first organic bipolar transistors, preparing the way towards GHz organic electronics.
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